Cryptic crossword clue
Clinical drill good for ocean dweller 7

The most common and most likely answer to this crossword clue is the 7 letter word TREPANG

I've seen this crossword clue in The Times
T
R
E
P
A
N
G


Buddy explains!

The straight part
We know that "ocean dweller" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case ocean dweller = trepang.
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.
This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.

What does TREPANG mean?

TREPANG noun
  1. An echinoderm of the class Holothuroidea, with an elongated body and leathery skin.

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